18QHTF21-38.940-PD

Oscillators Overview

The 18QHTF21-38.940-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 38.94 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a standby mode for power down capabilities. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby functionality to reduce power consumption during idle states
• Designed as a standard XO (Crystal Oscillator) for general timing applications

Oscillators Applications

• Digital signal processing circuits requiring stable clock sources
• Embedded systems utilizing low-voltage logic interfaces
• Portable electronic devices where power efficiency is critical

Oscillators Procurement Notes

Verify the specific ordering suffix PD against the manufacturer's latest documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the 1.8V supply requirement aligns with your system design before procurement. Cross-reference the 4-SMD no-lead footprint dimensions with your PCB layout guidelines to ensure mechanical compatibility.

Oscillators Selection Notes

Select this component when a 38.94 MHz frequency is required with LVCMOS outputs. Ensure the design supports 1.8V operation and can accommodate the standby control feature. Compare the 4-SMD package size against available board space. Verify temperature range requirements against the datasheet specifications for environmental suitability.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount oscillators. The series typically offers various frequencies and voltage options within a standardized small form factor. The 'PD' suffix indicates specific packaging or handling characteristics defined by the manufacturer for inventory and shipping purposes.

Oscillators Replacement Considerations

Direct substitutes include other 38.94 MHz LVCMOS oscillators in 4-SMD packages from different manufacturers, provided pinouts and electrical parameters match. Verify equivalent performance metrics such as phase noise and stability before substitution.